EP3324590A4 - Signal demodulating device and method applying to closed communication system - Google Patents

Signal demodulating device and method applying to closed communication system Download PDF

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Publication number
EP3324590A4
EP3324590A4 EP16886811.5A EP16886811A EP3324590A4 EP 3324590 A4 EP3324590 A4 EP 3324590A4 EP 16886811 A EP16886811 A EP 16886811A EP 3324590 A4 EP3324590 A4 EP 3324590A4
Authority
EP
European Patent Office
Prior art keywords
communication system
signal demodulating
method applying
demodulating device
closed communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16886811.5A
Other languages
German (de)
French (fr)
Other versions
EP3324590A1 (en
EP3324590B1 (en
Inventor
Guangyao WANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Goodix Technology Co Ltd
Original Assignee
Shenzhen Goodix Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Goodix Technology Co Ltd filed Critical Shenzhen Goodix Technology Co Ltd
Publication of EP3324590A1 publication Critical patent/EP3324590A1/en
Publication of EP3324590A4 publication Critical patent/EP3324590A4/en
Application granted granted Critical
Publication of EP3324590B1 publication Critical patent/EP3324590B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1566—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using synchronous sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
EP16886811.5A 2016-07-12 2016-07-12 Signal demodulating device and method applying to closed communication system Active EP3324590B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/089742 WO2018010082A1 (en) 2016-07-12 2016-07-12 Signal demodulating device and method applying to closed communication system

Publications (3)

Publication Number Publication Date
EP3324590A1 EP3324590A1 (en) 2018-05-23
EP3324590A4 true EP3324590A4 (en) 2018-09-12
EP3324590B1 EP3324590B1 (en) 2019-12-18

Family

ID=58215698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16886811.5A Active EP3324590B1 (en) 2016-07-12 2016-07-12 Signal demodulating device and method applying to closed communication system

Country Status (5)

Country Link
US (2) US10291388B2 (en)
EP (1) EP3324590B1 (en)
KR (1) KR20180116119A (en)
CN (1) CN106464624B (en)
WO (1) WO2018010082A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108055220B (en) * 2017-12-12 2020-09-29 成都宝通天宇电子科技有限公司 ASK amplitude self-adaptive anti-noise demodulation method and device
CN110611514B (en) * 2019-09-20 2022-05-17 内蒙古信元网络安全技术股份有限公司 Signal demodulation system, method and computer storage medium for distributed receiver
CN113395070B (en) * 2021-04-12 2024-02-09 上海昱章电气股份有限公司 Analog signal processing method and device and computer equipment

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US5550505A (en) * 1994-12-30 1996-08-27 General Electric Company Frequency shift keying (FSK) demodulator for use in low signal-to-noise ratio environments
US20090046809A1 (en) * 2007-08-15 2009-02-19 David Meltzer Sampling Demodulator for Amplitude Shift Keying (ASK) Radio Receiver
US9225568B1 (en) * 2014-12-09 2015-12-29 Freescale Semiconducotr, Inc. FSK demodulator

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US4065722A (en) * 1976-12-27 1977-12-27 Glenayre Electronics, Ltd. Demodulation method and circuit for discretely modulated ac signals
JPH03101546A (en) * 1989-09-14 1991-04-26 Matsushita Electric Works Ltd Digital signal read system
US5107522A (en) * 1990-02-05 1992-04-21 Sharp Kabushiki Kaisha Automatic frequency control circuit
JP3108364B2 (en) * 1996-04-22 2000-11-13 三洋電機株式会社 Data demodulator
CN1156987C (en) * 1996-05-28 2004-07-07 皇家菲利浦电子有限公司 a receiver, a demodulator and a demodulation method
KR100290284B1 (en) 1997-11-18 2001-05-15 윤종용 Fsk demodulator having counter
JP3252820B2 (en) * 1999-02-24 2002-02-04 日本電気株式会社 Demodulation and modulation circuit and demodulation and modulation method
JP2000307665A (en) * 1999-04-22 2000-11-02 Matsushita Electric Ind Co Ltd Circuit and method for demodulating of radio receiver
JP3783853B2 (en) * 2002-02-12 2006-06-07 株式会社ゼネラル リサーチ オブ エレクトロニックス Center level detection correction circuit for FSK demodulated signal
CN100499619C (en) * 2004-04-05 2009-06-10 鼎芯通讯（上海）有限公司 Binary frequency shift keying demodulator
JP4506426B2 (en) * 2004-11-19 2010-07-21 ソニー株式会社 COFDM modulation receiver and adjacent channel interference elimination method
CN100496033C (en) * 2006-03-23 2009-06-03 上海交通大学 Demodulating method of binary carrier shift key-controlling system based on Hibert transform
ATE403968T1 (en) * 2006-04-21 2008-08-15 Alcatel Lucent DATA SLICER CIRCUIT, DEMODULATION STAGE, RECEIVE SYSTEM AND METHOD FOR DEMODULATION OF JUMP CODED SIGNALS
CN1953438A (en) * 2006-10-26 2007-04-25 西安电子科技大学 Binary frequency shift key controlled filling type digital demodulation method
US20080252367A1 (en) * 2007-04-10 2008-10-16 Micrel, Inc. Demodulator with Multiple Operating Modes for Amplitude Shift Keyed Signals
US7633320B2 (en) * 2007-06-29 2009-12-15 Kabushiki Kaisha Toshiba Comparator circuit
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CN101729470A (en) * 2008-10-24 2010-06-09 南京师范大学 Constant amplitude and period digital signal modulation and demodulation method
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TWI514777B (en) * 2012-08-03 2015-12-21 Realtek Semiconductor Corp Predictive successive-approximation-register converting device and method therefor
CN103346988B (en) * 2013-06-13 2016-03-23 电子科技大学 A kind of FSK digital demodulator
CN103634263A (en) * 2013-12-07 2014-03-12 天津光电通信技术有限公司 Continuous-phase frequency-shift keying digital demodulation device and demodulation method implemented by same
CN104300984B (en) * 2014-10-21 2018-04-27 上海玮舟微电子科技有限公司 A kind of analog-digital converter and D conversion method
CN104793680B (en) * 2015-04-08 2017-12-12 云南卓烁科技有限公司 A kind of voltage signal demodulator circuit
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CN107040260B (en) * 2016-02-03 2020-09-08 中芯国际集成电路制造(上海)有限公司 Asynchronous successive approximation type analog-to-digital conversion circuit
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550505A (en) * 1994-12-30 1996-08-27 General Electric Company Frequency shift keying (FSK) demodulator for use in low signal-to-noise ratio environments
US20090046809A1 (en) * 2007-08-15 2009-02-19 David Meltzer Sampling Demodulator for Amplitude Shift Keying (ASK) Radio Receiver
US9225568B1 (en) * 2014-12-09 2015-12-29 Freescale Semiconducotr, Inc. FSK demodulator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018010082A1 *

Also Published As

Publication number Publication date
US20190207741A1 (en) 2019-07-04
US10291388B2 (en) 2019-05-14
EP3324590A1 (en) 2018-05-23
US20180026780A1 (en) 2018-01-25
KR20180116119A (en) 2018-10-24
US10523410B2 (en) 2019-12-31
CN106464624B (en) 2019-04-09
EP3324590B1 (en) 2019-12-18
CN106464624A (en) 2017-02-22
WO2018010082A1 (en) 2018-01-18

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